Free K+L Lt Chains,Qn (LABCORP)

Test Code

99901000439

Alias/See Also

LAB7253: Kappa/Lambda Light Chains | LABCORP EAP: 121137

CPT Codes
83521x2

Preferred Specimen

LABCORP LAB: Serum Separator Tube (Refrigerated) Min Vol: 1

Other Acceptable Specimens

LABCORP LAB: YELLOW TOP: (Refrigerated) Min Vol: 1
LABCORP LAB: MICRO YELLOW: (Refrigerated) Min Vol: 1
LABCORP LAB: RED TOP - PLAIN: (Refrigerated) Min Vol: 1

Instructions

3 mL blood collected in LAVENDER TOP-EDTA tube.

Transport Temperature

Specimen: Plasma Volume: 1 mL Minimum Volume: 0.5 mL Container: Ship in a screw-cap polypropylene frozen transport tube. Collection: Collect specimen in lavender-top (EDTA) tube. Centrifuge specimen within 24 hours of collection, remove plasma, transfer specimen to polypropylene screw-capped tube, and freeze. Ship frozen. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested. Transport Temperature: Frozen Stability: Room Temperature: Unacceptable Refrigerated: 7 days Frozen: 90 days Causes for Rejection: Quantity not sufficient; leaking or broken tube; inadequate storage or transport; whole blood.

Report Available

LABCORP LAB
STAT: 7200 min
Routine: 7200 min
Extended TAT: 7200 min
Timed: 7200 min
Life or Death: 7200 min

Last Updated: March 6, 2023

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.